System Design

Blogs and published courses in this category (Chatbots, Multimodal AI, AI System Security, AI System Monitoring, Multiagent design).

Blogs

Chatbots

Agent Harness: The Missing Engineering Layer Behind Reliable AI Agents

What an agent harness is, why demos fail without one, the core layers (runtime, tools, memory, policy, eval), and how beginners can think about reliable AI agents in production.

15 min

System Design

RAG Is Not Enough: Designing Production-Grade Agentic RAG

Why naive retrieve-then-generate fails in production, where Agentic RAG actually solves the job, a Traditional vs Agentic comparison across the retrieval stack, and the components you need to ship it.

17 min

Vector DB

Vector Database vs Knowledge Graph: What Should Your AI System Actually Use?

A beginner-friendly guide to why vector databases exist beyond SQL and NoSQL, when knowledge graphs became necessary, real use-case comparisons, popular vendors, query examples, and why both matter for AI agents.

16 min

Multimodal AI

Designing a Multimodal Agentic AI Architecture

An end-to-end guide to multimodal inputs, how multimodal agentic systems differ from traditional AI, and a production-ready architecture with an orchestrator, modality microservices, memory, tools, and evaluation.

18 min

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System Design

Blogs

Agent Harness: The Missing Engineering Layer Behind Reliable AI Agents

RAG Is Not Enough: Designing Production-Grade Agentic RAG

Vector Database vs Knowledge Graph: What Should Your AI System Actually Use?

Designing a Multimodal Agentic AI Architecture